package com.fantsey.pattern.singleton.implement;

/**
 * 懒汉式，懒加载，线程安全
 */
public class Singleton2 {
    private static Singleton2 instance;
    private Singleton2 (){}
    public static synchronized Singleton2 getInstance(){
        if( instance == null){
            instance = new Singleton2();
        }
        return  instance;
    }
}
